Car RCA output conversion suitable for car amplifier high to low 2 channels with adjustable subwoofer volume <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini"><span class="a-list-item">Package Contents: 1 x 2-channel line output converter and 1 connecting cable. </span></li> <li class="a-spacing-mini"><span class="a-list-item">This converter features RCA up-conversion and down-conversion, converting the high-voltage signal output of an amplifier or speaker into a low-voltage signal, improving sound quality. </span></li> <li class="a-spacing-mini"><span class="a-list-item">Parameters: Maximum Input Power: 50W; Maximum Output Current: 1A; RCA Output Level: 0.2-2V; RCA Output Frequency Range: 20Hz-20kHz. </span></li> <li class="a-spacing-mini"><span class="a-list-item">If your head unit does not have RCA phono outputs, this is an ideal solution as it allows you to install an amplifier in your vehicle's original head unit. </span></li> <li class="a-spacing-mini"><span class="a-list-item">Provides level gain adjustment. You can use the adjustment knob to turn down the bass without having to pull and manually adjust the amplifier. </span></li> <li class="a-spacing-mini"></li> </ul>